Add a stub for allocating parameter maps.

src/code-stubs.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 650 matching lines @@
   int MinorKey() { return 1; }
 
   const char* GetName() { return "JSConstructEntryStub"; }
 };
 
 
 class ArgumentsAccessStub: public CodeStub {
  public:
   enum Type {
     READ_ELEMENT,
-    NEW_NON_STRICT,
+    NEW_NON_STRICT_FAST,
+    NEW_NON_STRICT_SLOW,
     NEW_STRICT
   };
 
   explicit ArgumentsAccessStub(Type type) : type_(type) { }
 
  private:
   Type type_;
 
   Major MajorKey() { return ArgumentsAccess; }
   int MinorKey() { return type_; }
 
   void Generate(MacroAssembler* masm);
   void GenerateReadElement(MacroAssembler* masm);
-  void GenerateNewObject(MacroAssembler* masm);
+  void GenerateNewStrict(MacroAssembler* masm);
+  void GenerateNewNonStrictFast(MacroAssembler* masm);
+  void GenerateNewNonStrictSlow(MacroAssembler* masm);
 
   int GetArgumentsBoilerplateIndex() const {

[Kevin Millikin (Chromium), 2011/04/27 11:49:28]

I think this function and the next (GetArgumentsObjectSize) are no longer
needed.

[rossberg, 2011/04/27 23:18:00]

Done.

   return (type_ == NEW_STRICT)
       ? Context::STRICT_MODE_ARGUMENTS_BOILERPLATE_INDEX
       : Context::ARGUMENTS_BOILERPLATE_INDEX;
   }
 
   int GetArgumentsObjectSize() const {
     if (type_ == NEW_STRICT)
       return Heap::kArgumentsObjectSizeStrict;
     else
       return Heap::kArgumentsObjectSize;
@@ skipping 264 matching lines @@
  private:
   MacroAssembler* masm_;
   bool previous_allow_;
 
   DISALLOW_COPY_AND_ASSIGN(AllowStubCallsScope);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_